VW Code 65503
65503 Description And Summary : |
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The instrument cluster alerts the driver to the fault fuel pressure regulator valve (n276), mechanical malfunction run rough, or might suddenly stall at any given speed please check dtc memory of adr control module you can see the ignition coil 'g' primary control, circuit low is the final reason of the code. |
65503 Possible Causes:
65503 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 65503 Code
- Inspect all the connections turbocharger boost control position sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns